If i understand what you are saying, your eyelids are itching and red and nothing you are putting on them neoseems to help.

Sounds like you might be using something you are allergic to. Neomycin is a typical one. See an ophthalmologist and bring in everything you have used. Again, typically there is something you have become sensitive to causing the problem.
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What you have heard about is a type of lens called orthokeratology lenses.

They can be used safely but can also cause corneal problems or infections. Currently there are two fda approved systems. Orthokeratology has a place for younger patients or those who can not or choose not to wear glasses or have refractive surgery.
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Sunglasses are used for comfort and to block the harmful effects of ultra-violet light.

Your computer should not be giving off uv light so sunglasses are not needed for that. They might add some comfort in certain lighting situations. I do not think most people would find them helpful. I you do, I do not think that is a problem. It is best to adjust your monitor's brightness and contrast.
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Other things can get in the eyes and cause them to itch. The eyes are well protected by mast cell that are like little packages of histamine that explode when they come in contact with allergens or broken open by rubbing.
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